Computer generated image for a display screen



The single FIGURE is a front view of a computer generated image for a display screen embodying our new design.

The broken line drawing of the display screen, including the two outermost rectangular outlines, are for illustrative purposes only and form no part of the claimed design. The broken line drawings of interior elements—the bottom line of the left hand side rectangle, the center rectangle, and the rectangular outline surrounding the lower right element—are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a computer generated image for a display screen, as shown and described. 